Intel Mac :: All Sound Output And Input Devices Have Vanished From Computer?
Apr 24, 2012
I was in Audio MIDI Setup and I clicked one of the checkboxes to add a device to something or something like that and all the devices vanished from the list and sound stopped working. After closing Audio MIDI Setup I am unable to open it again, even after restarting and getting all the updates. Skype now freezes and doesn't load. Sound preferences also have trouble and freeze up if I try to load them. I would really like to have sound from my computer again!
Info:
iMac, Mac OS X (10.7.3)
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May 22, 2012
Just today I have installed an application which was to do with sound switching , called "soundflower" once iv installed and run it there was an option "create multiple sound switch" did chose and start to creating a multiple, as soon as it started my sound card panel display as "no sound card founded" and my sound icon on the top bar turned to light gray.
Double click on that and when it opens you will see your hard drive (usually Macintosh HD) on the left. Highlight your hard drive and click on Verify Disk on the far right. If that is OK click on Repair Permissions on the left. If Verify Disk is not OK try to Repair. If Repair is successful then Repair Permissions if it is not successful let me know. But problem still remains.
Info:
iMac
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Jun 10, 2012
I just got this new iMac that I got used and the sound on the computer does not seem to be working, I have tried doing what the computer tells me and going into System Preferences and selecting the sound option, but the sound seems to have been permanently disabled and shows that there are no output or input devices available, when clearly the monitor has speakers. whats more, is that the volume icon does not show up in the menu bar even when I select that I want it in the menu bar.
Info:
iMac
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Sep 9, 2014
I can feed sounds into my iMac with line input but no sound comes out vis internal speakers. I can record the input sound using Amadeus and play through gives me sound output. When not using Amadeus although input is set to line in and output to internal speakers no sound comes out. There appears to be some internal disconnection between input and output.
Info:
iMac, OS X Mavericks (10.9), printer, scanner, ATVs, external hard drives, USB DAC
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Sep 9, 2014
Internal (built-in) microphone is not listed in sound input devices, though it present in equipment list in System Report / Hardware / Audio...
Hence, it not works.Â
Info:
iMac, OS X Mavericks (10.9.4)
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Apr 16, 2012
"No output devices found" is what the system preferences show under Output.
Info:iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)
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May 4, 2009
how to find a way to change the input and output devices for sound without going into System Preference, and I finally got round to a little focussed googling and found this:
[URL]
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Apr 30, 2010
I picked up a really cool wireless USB speaker set and want to use it with my current gen iMac running Snow Leopard. Problem is that as far as I can tell, and I've done some searching, that it's either the USB audio, or my internal iMac speakers, one or the other - not both.
could use both outputs at the same time? Internal speakers and the wireless USB ones?
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Jul 1, 2012
I have a problem about sound. It's no output or input device when I install parallel desktop 7. Is there any way that can solve this issue without uninstalling Parallel Desktop?
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Mar 19, 2010
Occasionally after booting back into OS X from bootcamp (windows 7 home premium), I will not have any audio output devices. If I restart OS X again they return, anyone have what maybe happening here? This is on a 09 MP...
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Jan 1, 2011
I had a 3,5 mm stereo jack in my audio output on my macbook, and it broke inside. Is it possible to redirect the sound output to go through the input jack?
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Oct 11, 2009
Hey, my macbook was getting rather slow so I decided to do a clean install of Leopard, but now I have absolutely no sound whatsoever apart from the startup chime! The volume keys now don't control volume and instead do expose and dashboard.
I did however install it with a Leopard disk that was from a shop and not one of the grey ones that came with the computer, is that the problem? If so how can I fix it?
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Apr 11, 2010
All of a sudden my mini's sound output stopped working and now doesn't recognize any output devices. worked earlier today not now, didn't add anything. system pref - sound - output = "no output devices found
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Jul 11, 2009
My sound has completely quit working. In the sound system prefs I get a massage saying "No output devices found". If I press the volums button keys the onscreen display comes up but has a 'no access' icon on it (a circle with a line through it). The icon in the toolbar has also vanished and there's just a blank space in its place.
Oddly whatever happened also seems to have effected my ability to view Flash movies -*the will play for a few seconds an then pause *they don't stutter they just pause. I think that whatever the issue is it was caused by a force shut down. All my applications were hanging so I had to press down the power button for a few seconds. Since then nothing!
This also effects the start-up sound which I don't get and all users of the machine are the same so it's not a case of deleting users prefs. So far I reinstalled the latest system using combo updater, run disk utility to repair disk/privileges (from start up disk) and zapped the PRAM.
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Mar 23, 2012
I have multiple displays connected via the HDMI port and one to the mini port as well and a theater sound system attached to the headphone jack. How do you turn on sound output to both HDMI and headphone jack. If the headphone jack is plugged in, it always defaults to that device. I am unable to hear the audio at the remote displays without removing the headphone jack.
Info:
Mac mini (Mid 2010), Mac OS X (10.7.3)
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Mar 27, 2012
All of the sudden the sound on my MacBook is no longer working. When I look at System Preferences>Sound>Output it says there are no devices found, even when I plug in external speakers.
Info:
MacBook Pro, Mac OS X (10.5.2)
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Jun 10, 2009
I had a first gen aluminum 13" Macbook that I spilled beer on. It was basically a write-off, but fortunately the HD was not damaged.I just got my 13" Macbook Pro today, and replaced the new HD with my old one. Everything is working fine, except that there is no sound.When I go to System->Sound I see "No Output devices found", and when I press the sound buttons on the keyboard, the speaker is grayed out.I know this is not a Hardware issue for a couple reasons. First, it properly 'chimes' on startup. Second, I did try running the computer with the new hard drive, and during the sound was working properly, volume adjustment buttons working, etc.
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Jun 1, 2008
I have an iMac at home. I have two airport express devices with hifi systems connected. I use iTunes to play music, podcasts,radio, .. on the different hifi systems dependent on where I am in the appartment.When using the remote control on the iMac it seems to me that it isn't possible to select the wireless devices for sound output.
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Aug 20, 2014
my macbook froze while typing something in simplified Chinese, using the desktop WeChat application. On rebooting, simplified Chinese has now vanished from the toggle menu, but more alarmingly, Chinese (in all its forms) has vanished as an option for Input Language in System Preferences. Macbook has been rebooted on numerous occasions since but no change.
Info:
MacBook Pro (13-inch Mid 2012), OS X Mavericks (10.9.4)
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Apr 25, 2012
My external mike (Samson C01U, USB connection) isn't working; there's no input sound coming through. I'm certain it's not a hardware problem with the mike On preferences > sound, there's no sign of any input (with input volume level turned right up). Trying to record on Camtasia / Audacity / Quicktime also isn't giving any input.
Info:
iMac (21.5-inch Mid 2010), Mac OS X (10.7.3)
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Jun 10, 2012
How do you get sound output from BOTH a USB speaker and the headphone jack at the same time? I am trying to drive a headphone speaker driven wireless speaker on my deck while still have audio on my imac.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.4)
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Jun 19, 2012
My sound keeps turning off. When I check the settings, the output device switches randomly between Internal and Digital output. I have no idea where the Digitial Output is coming from and this started about a month again. It switches randomly and then I loose all sound for a few seconds. Sometimes it happens once then stops for a few days, other times it switches back and forth for 5 min. No idea!!!Â
Info:
MacBook, Mac OS X (10.6.8)
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Apr 30, 2012
My sound output preference is set to mute and is highlighted in light gray so that the preference can't be changed. Also, simultaneously, the sound control in the toolbar is gone and is replaced with an eject symbol that responds "SuperDrive F12" when clicked on.
Info:
iMac, Mac OS X (10.6.8)
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Sep 13, 2014
Speakers work but cannot get any sound output. Running windows 7 on Intel iMac. Speakers sound on booting and graphics in Control panel and on toolbar indicate sound is being recieved but nothing comes out of speakers or headphones.
Info:
iMac, Mac OS X (10.6.2)
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Sep 12, 2010
I have a mac mini (solo intel) 10.4 OSX. I have no audio output when attaching an external input source like a CD player or ipod to the input jack on my Mac Mini. Audio output from ITunes or movies clips in IPhoto works fine. I have checked the cables and connections. I have checked the "sound" location in System Preferences to make sure the "built in output" source is selected. The input volume display shows that the audio input is being registered. I have checked "system profiler" in the Utilities folder in Applications to make sure the "built in output" AKA headphone outlet is recognized.
I have the "Soundflower" App. installed but turned off.
why the audio output from the internal sources like ITunes and IPhoto music clips work but the audio output from an external input source does not? Is there some software or a driver required for audio output from an external source that is not required for audio output from an internal source?
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Feb 20, 2006
I am trying to format a hard drive that I put in an enclosure, I have two of these drives and the other one works, but when I tried to format the other one, I get an input/output error, I have tried to format it on a windows, and linux box, the windows says it formats it but it just well doesnt, and the linux box would display an error message, dont remember it though. This is really getting on my nerves, It will just freeze the mac, and I get the spinning beach ball.
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Oct 2, 2009
The hard drive in my Mac crashed recently so I have installed new hardware and need to format the internal drive to re-install Leopard. But when I try to either erase or partition the drive from Disk Utility, I get the Partition Failure : Input/Output Error message. Can anyone provide any advice on a fix for this or is it a OS error that I can't get around?
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Jun 10, 2009
So I have an IDE DVD burner that I have inserted into my powermac G4. It has been taken out of a windows computer. The drive seems to work well other than when I burn a disc it tells me that it failed... However the disk works just fine. Thats not the issue the issue is the input output error that I am getting when trying to back up my OS X disc. I found instructions that have worked but it was a pain in the @$$ to do and I wasn't able to do it from my computer due to the input output error 0 that I received... The only thing that I can think of is that this is due to the DVD burner that I have used to read the disc?? Would that be correct? I was able to complete the back up from a friends powerbook G4 no problem.
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Feb 3, 2009
This is probably a silly question, but I was wandering if it was possible to pass audio from the line-in on a MacBook Pro directly to an audio output? I was thinking of buying a PS3 and connecting it to my external monitor, and thought I may be able to play sound through my soundsticks rather than buying more speakers (budget is an issue!).
I know this used to be possible in the "Audio MIDI Setup" application bundled with the system, but I can't seem to find the option in the new version (maybe something to do with aggregate devices?)
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May 15, 2012
I recently had a cracked panel on an old Macbook Pro 15 inch (A1260) and just replaced it with a new one. Ever since i replaced it i have had no sound. Now i consider myself an experienced mac user so i have checked under my sound prefences and it doesnt list anything under sound input or output and things are grayed out. I also had the guy who replaced my panel, who is also my friend, check everything out and he hasn't been able to figure out why there is no sound. he gave me a usb midi device that shows up and works but when unplugged theres nothing.Â
Another thing that has started is, video online will stop every 11 seconds, and thats with me clicking on the bar when it stops playing after the first 11 seconds.
Info:
MacBook Pro, Mac OS X (10.7.4)
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